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Improved Vector and Location with some utility methods, optimized Vector.isInSphere().
By: sk89q <the.sk89q@gmail.com>
This commit is contained in:
parent
f6873cab82
commit
61b42932b1
2 changed files with 419 additions and 352 deletions
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@ -61,6 +61,16 @@ public class Location implements Cloneable {
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return x;
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}
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/**
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* Gets the floored value of the X component, indicating the block that
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* this location is contained with.
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*
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* @return block X
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*/
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public int getBlockX() {
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return (int)Math.floor(x);
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}
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/**
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* Sets the y-coordinate of this location
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*
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@ -79,6 +89,16 @@ public class Location implements Cloneable {
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return y;
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}
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/**
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* Gets the floored value of the Y component, indicating the block that
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* this location is contained with.
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*
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* @return block y
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*/
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public int getBlockY() {
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return (int)Math.floor(y);
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}
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/**
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* Sets the z-coordinate of this location
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*
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@ -97,6 +117,16 @@ public class Location implements Cloneable {
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return z;
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}
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/**
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* Gets the floored value of the Z component, indicating the block that
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* this location is contained with.
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*
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* @return block z
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*/
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public int getBlockZ() {
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return (int)Math.floor(z);
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}
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/**
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* Sets the yaw of this location
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*
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@ -85,7 +85,9 @@ public class Vector implements Cloneable {
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/**
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* Gets the magnitude of the vector, defined as sqrt(x^2+y^2+z^2). The value
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* of this method is not cached and uses a costly square-root function, so
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* do not repeatedly call this method to get the vector's magnitude.
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* do not repeatedly call this method to get the vector's magnitude. NaN
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* will be returned if the inner result of the sqrt() function overflows,
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* which will be caused if the length is too long.
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*
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* @return the magnitude
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*/
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@ -96,7 +98,9 @@ public class Vector implements Cloneable {
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/**
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* Get the distance between this vector and another. The value
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* of this method is not cached and uses a costly square-root function, so
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* do not repeatedly call this method to get the vector's magnitude.
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* do not repeatedly call this method to get the vector's magnitude. NaN
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* will be returned if the inner result of the sqrt() function overflows,
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* which will be caused if the distance is too long.
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*
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* @return the distance
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*/
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@ -224,21 +228,54 @@ public class Vector implements Cloneable {
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* @return whether this vector is in the sphere
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*/
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public boolean isInSphere(Vector origin, double radius) {
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return origin.clone().subtract(this).length() <= radius;
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return (Math.pow(origin.x - x, 2)
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+ Math.pow(origin.y - y, 2)
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+ Math.pow(origin.z - z, 2))
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<= Math.pow(radius, 2);
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}
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public double getX() {
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return x;
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}
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/**
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* Gets the floored value of the X component, indicating the block that
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* this vector is contained with.
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*
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* @return block X
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*/
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public int getBlockX() {
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return (int)Math.floor(x);
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}
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public double getY() {
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return y;
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}
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/**
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* Gets the floored value of the Y component, indicating the block that
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* this vector is contained with.
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*
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* @return block y
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*/
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public int getBlockY() {
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return (int)Math.floor(y);
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}
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public double getZ() {
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return z;
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}
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/**
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* Gets the floored value of the Z component, indicating the block that
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* this vector is contained with.
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*
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* @return block z
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*/
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public int getBlockZ() {
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return (int)Math.floor(z);
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}
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public Vector setX(int x) {
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this.x = x;
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return this;
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